Home / 64,830.11-89,343.42-46,894.70

Finding the Fourth Proportional to 64,830.11, 89,343.42 and 46,894.70

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Solution

The fourth proportional to 64,830.11, 89,343.42 and 46,894.70 is: 64,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,830.11 : 89,343.42 = 46,894.70 : x
  2. Step 2: Convert to fraction form
    64,830.11/89,343.42 = 46,894.70/x
  3. Step 3: Cross multiply
    64,830.11x = 89,343.42 × 46,894.70
  4. Step 4: Simplify right side
    64,830.11x = 4,189,732,877.87
  5. Step 5: Solve for x
    x = 4,189,732,877.87/64,830.11
  6. Step 6: Final answer
    x = 64,626.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.